Tell us who you think wore her pumped-up ponytail the best.

Of all the retro-inspired hair trends that have taken hold in Hollywood as of late (pin curls, side-swept waves, flapper-esque bobs) we must admit that we never expected the bouffant to be one of them. A style staple of the '60s and '70s, this coif is characterized by lots of backcombed hair piled high, locks hanging down on the sides—and lots of hairspray. While the original version looks pretty old-school, the updated ones we're seeing now are totally cute and on-trend. Check out Olivia Holt and Bella Thorne, who were both recently spotted on the red carpet with bouffant-like 'dos.

Olivia gives her enviable long locks a red carpet boost with a bump of volume at the crown of her head. Parted down the middle, the front of her hair cascades into beautiful waves, keeping her look carefree and age-appropriate. We especially dig how she's paired it with classic winged eyeliner—another nod to the era.

Perched atop a volumized half-pony, Bella's bow is in-tune with her signature, ultra-girly style. But instead of looking overly saccharine, her 'do is cool and quirky thanks to the slightly-undone texture.

These bouffant-inspired looks are so cool, but only one can take this beauty battle. Who do you think should win? Cast your vote below!